Very true. So many languages people haven't heard of. It's like if not in the top 10 or 20, some think they don't matter.

In regards to Eiffel, always felt that hindrance to wider adoption was more about the licensing. Still, they are in business and in use.

I know it is used in education in some parts of Europe. But now I'm wondering, is it used in production? Or rather, does it have a niche or an industry where it is more widely used? I'd be curious to know what software is written in Eiffel! (Mainly to get an idea of what Eiffel source code looks like, beyond toy examples)